You can beta-test the incoming packages/namespaces feature !
Language specification
| activity | Description of PlantUML language for UML activity diagram. |
| activity beta | Proposal of new syntax of PlantUML language for UML activity diagram. |
| archimate | Archimate Support |
| AsciiMath | Support for mathematical expressions |
| classes | Description of PlantUML language for UML class diagram |
| color | Display all color names |
| commons | Some common commands available on all diagrams. |
| component | Description of PlantUML language for UML component diagram |
| creole | Use of Creole |
| deployment | Description of PlantUML language for UML deployment diagram |
| gantt | Beta support for Gantt diagram |
| incubation | Incubation of new features |
| link | Using hyperlinks and URL |
| mindmap | Description of PlantUML language for MindMap diagram |
| objects | Description of PlantUML language for UML object diagram |
| openiconic | OpenIconic integration |
| preprocessing | Information about Preprocessing |
| salt | Design graphical interface with a simple text description |
| sequence | Description of PlantUML language for UML sequence diagram |
| skinparam | Use of skinparam command |
| sprite | Defining and using sprites |
| state | Description of PlantUML language for UML state diagram |
| timing-diagram | Description of PlantUML language for UML timing diagram (beta) |
| usecase | Description of PlantUML language for UML usecase diagram |
| wbs | Description of PlantUML language for Work Breakdown Structure |